AVI-8 Spitfire Lock ChronographvsHamilton Khaki Field Auto Chrono

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Spitfire Lock Chronograph

Khaki Field Auto Chrono
Diameter
42mm
42mm
Lug-to-Lug
50mm
n/a
Thickness
12mm
lowest
14.5mm
Water Resistance
50m
100m
highest
Power Reserve
n/a
60h
MSRP
$260
lowest
$2,175
Movement
Quartz
Hamilton H-21
Case
5 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely appreciate the AVI-8 Spitfire Lock Chronograph's compelling design, drawing inspiration from Supermarine Spitfires with details like a prominent crown and rivets, and find the build quality excellent for the price. The watch features a 42mm stainless steel case with curved lugs for wearability, a bi-compax layout with subdials for elapsed time and a 24-hour scale, and black lume that glows green. Some owners note that AVI-8 watches offer something different and are decently well-made, though not of insane quality, and one reviewer found the included leather strap and bracelet to be the weakest aspects. On balance, owners and reviewers rate the AVI-8 Spitfire Lock Chronograph highly for its striking design and good value at its price point.
Owners and reviewers praise the Hamilton Khaki Field Auto Chrono for its retro military design and value. The 42mm steel case with a brushed finish and polished bezel is noted as well-designed, and its 100m water resistance is a practical feature. One reviewer highlights the symmetrical dial layout, which omits a running seconds indicator in favor of day and date windows, contributing to its tactical sports watch aesthetic. The Hamilton H-21 automatic movement is considered reliable, and the watch is available at prices ranging from $1,299 to $1,695. Overall, owners and reviewers rate the Hamilton Khaki Field Auto Chrono highly for its combination of style, value, and robust build.
The reliable automatic chronograph movement and rugged, military-inspired aesthetic are cited as strengths. Reviewers did not reach a consensus on any weaknesses.
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